Citation: Chang LIU, Cuiping HE, Jie LIU, Shicheng XU, Zhanchao WU. Effects of Gd³⁺/Y³⁺ doping on crystal phase transition and luminescent properties of Ba₃P₄O₁₃: Eu²⁺ phosphors[J]. Chinese Journal of Inorganic Chemistry, ;2026, 42(7): 1420-1428. doi: 10.11862/CJIC.20260101 shu

Effects of Gd³⁺/Y³⁺ doping on crystal phase transition and luminescent properties of Ba₃P₄O₁₃: Eu²⁺ phosphors

Chang LIU ¹ ,
Cuiping HE ¹ ,
Jie LIU ^1,, ,
Shicheng XU ^2,, ,
Zhanchao WU ^1,,

1.
College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, Shandong 266042, China
2.
School of Materials Science and Engineering, Linyi University, Linyi, Shandong 276000, China

Corresponding author: Jie LIU, zsuliujie@163.com Shicheng XU, xushicheng@lyu.edu.cn Zhanchao WU, wuzhan_chao@163.com
Received Date: 28 March 2026
Revised Date: 13 May 2026

Figures(6)

In this paper, Ba₃P₄O₁₃: Eu²⁺ phosphors were selected as the research object. Through partial replacement of Ba²⁺ ions with Gd³⁺/Y³⁺, we systematically investigated the effects of Gd³⁺/Y³⁺ doping on crystal phase transition and luminescent properties of Ba₃P₄O₁₃: Eu²⁺ phosphors. Two series of phosphors with a fixed Eu²⁺ doping concentration (molar fraction) of 0.009, namely Ba_2.991-1.5xP₄O₁₃: 0.009Eu²⁺, xGd³⁺ (x=0-0.080) and Ba_2.991-1.5yP₄O₁₃: 0.009Eu²⁺, yY³⁺ (y=0-0.080), were synthesized via a high-temperature solid-state reaction under a reducing atmosphere. X-ray diffraction characterizations demonstrated that Gd³⁺/Y³⁺ doping could trigger a phase transition in Ba₃P₄O₁₃ from the low-temperature phase to the high-temperature phase, and Gd³⁺ exhibited a more remarkable phase-inducing effect than Y³⁺. Fluorescence spectral measurements revealed that when the doping concentrations of Y³⁺ and Gd³⁺ were y=0.020 and x=0.020, the emission intensity of the sample increased by 15% and 59%, respectively. Moreover, as the doping concentration increased, the emission color of the samples achieved continuous tunability from blue to white, and further to yellow.
- Ba₃P₄O₁₃: Eu²⁺,
- phosphor,
- crystal-phase transformation,
- spectral regulation
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沈阳化工大学材料科学与工程学院沈阳 110142

Effects of Gd3+/Y3+ doping on crystal phase transition and luminescent properties of Ba3P4O13: Eu2+ phosphors

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通讯作者: 陈斌, bchen63@163.com

Effects of Gd³⁺/Y³⁺ doping on crystal phase transition and luminescent properties of Ba₃P₄O₁₃: Eu²⁺ phosphors